The correct option is A III and IV
Ringworm is a contagious fungal infection caused by mould-like parasites that live on the cells in the outer layer of your skin. It can be spread from Human to human. Ringworm often spreads by direct, skin to skin contact with an infected person. It is caused by Haemophilus and Epidermophyton.
Hence, Ringworms are caused by Haemophilus and Epidermophyton.]
So, the correct answer is 'III and IV'.